1,24 In. Portable Air Cooler, 2,high performance, 3,Cools 1,800 sq. ft,/ 4, Variable Speed 5, Durable ,energy saving. Variable Speed 1. Durable one-piece molded polyethylene housing.2. Equipped with high performance 1/3 h.p. variable speed motor.3. No need to install, portable, could be used immediately after connecting water and electricity.4. Efficient environmental protection, evaporated with ...